LCD DATASHEET 16X2 COMMANDS PDF

Data Bus: As shown in the above figure and table, an alpha numeric lcd has a 8-bit data bus referenced as D0-D7. Schematic Below schematic shows the minimum connection required for interfacing the LCD with the microcontroller. The below configuration is as per the above schematic. First lets see the timing diagram for sending the data and the command signals RS,RW,EN , accordingly we write the algorithm and finally the code. As shown in the timing diagram the data is written after sending the RS and RW signals.

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Data Bus: As shown in the above figure and table, an alpha numeric lcd has a 8-bit data bus referenced as D0-D7. Schematic Below schematic shows the minimum connection required for interfacing the LCD with the microcontroller. The below configuration is as per the above schematic. First lets see the timing diagram for sending the data and the command signals RS,RW,EN , accordingly we write the algorithm and finally the code. As shown in the timing diagram the data is written after sending the RS and RW signals.

It is still ok to send the data before these signals. The only important thing is the data should be available on the databus before generating the High-to-Low pulse on EN pin. The timings are similar as above only change is that RS is made high for selecting Data register.

Once you know the working of lcd, you can directly use the ExploreEmbedded libraries to play around with your LCD. For that you need to include the lcd. After including these files, the only thing you got to do is to configure the PORTs in lcd. The below sample code shows how to use the already available LCD functions. LCD 1x

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